Cambridge IGCSE Physics
Cambridge IGCSE Physics Light Exam Questions
Free Cambridge IGCSE Physics exam questions on Light, with mark schemes. Covers reflection, refraction, total internal reflection, lenses and dispersion.
Light exam questions
Every Cambridge IGCSE Physics past paper question on Topic 3, collected into one pack with the mark schemes. Answer them without notes, mark them line by line, then move on to full past papers.
About Cambridge IGCSE Physics Light
This sub-topic covers light.
What you need to know
- Reflection Angle of incidence equals reflection; plane mirror images.
- Refraction n = sin i / sin r and critical angle.
- Lenses Converging and diverging lenses and ray diagrams.
Common mistakes in Light
- Drawing rays without arrows.
- Measuring angles from the surface.
Try two Light exam-style questions
1. Find n if i = 30° and r = 19.5°. (1 mark)
Show the mark scheme answer
1.5.
2. State the nature of an image in a plane mirror. (1 mark)
Show the mark scheme answer
Virtual, upright and the same size.
Light FAQs
What does this cover?
Reflection, refraction and lenses.
Which practical links here?
Refraction through a glass block.
Revise this topic with flashcards: Cambridge IGCSE Physics 0625 Flashcards, with mark scheme answers for Anki and Quizlet.